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Determination of Cyclogram for Liquid-Propellant Rocket Engine
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 Title & Authors
Determination of Cyclogram for Liquid-Propellant Rocket Engine
Ha, Seong-Up; Kwon, Oh-Sung; Lee, Jung-Ho; Kim, Byoung-Hun; Kang, Sun-Il; Han, Sang-Yeop; Cho, In-Hyun; Lee, Dae-Sung;
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 Abstract
A vertical test stand based on launcher propulsion system was constructed and several tests for the determination of cyclogram were carried out. To make an accurate estimation, static and dynamic pressures were measured and analyzed. Especially, static pressure measurements using fast response sensors without extension tubes were used to determine operation sequence more evidently. The standard operation times of final valves were determined in cold flow tests with an engine head, and fire formation time in combustion chamber was checked in an ignition test with an ignitor only. On the basis of these tests, ignition sequence was established and combustion test cyclogram was finally determined. According to combustion test, test results were well matched with the determined cyclogram within 0.05 sec.
 Keywords
Cyclogram;Vertical Test Stand;Rocket Engine;Combustion Test;
 Language
English
 Cited by
1.
수직장착에서의 액체추진제 로켓엔진(KL-3) 불안정 연소특성에 관한 연구,하성업;권오성;이정호;김병훈;한상엽;김영목;

한국추진공학회지, 2003. vol.7. 1, pp.18-27
 References
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David T. Harrje, Liquid Propellant Rocket Combustion Instability, NASA SP-194, 1972

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Vigor Yang et al, Liquid Rocket Engine Combustion Instability, Progress in Astronautics and Aeronautics, Vol. 169, AIAA, 1995

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Seong-Up Ha, Chul-Sung Ryu and Woo-Seok Seol, Verification Test of KSR-III Liquid Propellant Rocket Prototype Engine, Korean Society of Propulsion Engineers, Vol. 5, No.4, 2001

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Sun-II Kang et al, Construction and Verification of Test Facility for KSR-III Rocket Propellant Feeding System, The 3rd Symposium on Space Launch Technology, 2002

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Yeong-Min Han et ai, A Study on the Cyclogram for the Firing Test of KSR-III Main Engine at Starting, 3rd Space Launcher Technology Symposium, 2002